irq.h

/****************************************************************************** * arch/ia64/include/asm/xen/irq.h * * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> * VA Linux Systems Japan K.K. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */#ifndef _ASM_IA64_XEN_IRQ_H#define _ASM_IA64_XEN_IRQ_H/* * The flat IRQ space is divided into two regions: * 1. A one-to-one mapping of real physical IRQs. This space is only used * if we have physical device-access privilege. This region is at the * start of the IRQ space so that existing device drivers do not need * to be modified to translate physical IRQ numbers into our IRQ space. * 3. A dynamic mapping of inter-domain and Xen-sourced virtual IRQs. These * are bound using the provided bind/unbind functions. */#define XEN_PIRQ_BASE 0#define XEN_NR_PIRQS 256#define XEN_DYNIRQ_BASE (XEN_PIRQ_BASE + XEN_NR_PIRQS)#define XEN_NR_DYNIRQS (NR_CPUS * 8)#define XEN_NR_IRQS (XEN_NR_PIRQS + XEN_NR_DYNIRQS)#endif /* _ASM_IA64_XEN_IRQ_H */